Contents
Ornithological Results of the Baffin Island Expeditions of 1928-1929 and 1930-1931, Together with More Recent Records
J. Dewey Soper
Mourning Doves in Nebraska and the West
H. Elliott Mcclure
Adrenal and Thyroid Weights in Birds
Frank A. Hartman
The Number of Species of Birds
Ernst Mayr
Chimney Swift 'thunder'
A. D. Moore
The Canvas-back in Minnesota
J. Donald Smith
Recent Literature
The Auk
Notes and News
The Auk
The Sixty-third Stated Meeting of the American Ornithologists' Union
Lawrence E. Hicks
General Notes
A New Drongo from the Moluccas
A. J. C. Vaurie
Age in Relation to Migration in the Blue Jay
Frank A. Pitelka
Rumbling Noise Made by Chimney Swifts in Chimney
H. A. Allard
Bald Eagle Feeding on the Highway
Robert M. Hawkins
Morning Display of the California Condor
Malcolm Davis
Observations on Two Golden Eagles
Walter R. Spofford
Purple Gallinule Robs Nest of Green Heron
H. L. Beadel
A 16-year-old Marsh Hawk
Louis W. Campbell
Some Observations of Birds Eating Salt
Lt. Fred Packard
English Sparrow Eating Salt
H. Mousley
Mortality Notes on the Trumpeter Swan
Carl R. Eklund
Occurrence of the Hudsonian Curlew on National Wildlife Refuges along the Atlantic Coast
Faxon W. Cook
Status of the Upland Plover in Lancaster County, Pa
Herbert H. Beck, Frank Thurlow, Barton Sharp, George Pennypacker, Lt. Robert Snyder, and Charles Regennas
Unusual Nesting Site of Magnolia Warbler
H. Mousley
Unusual Nesting of Two Birds in South Carolina
Alexander Sprunt Jr.
A Nesting Record for the Golden Pileolated Warbler
Norbert Leupold
Nesting of Eastern Purple Finch in Randolph County, West Virginia
W. R. Degarmo and William F. Strunk
An Unusual Bird Fatality
William P. Baldwin
Brewster's Booby in Arizona
Gale Monson
Laughing Gull Robs Brown Pelican
William P. Baldwin
Great Blue Heron Swallows Large Snake
George Miksch Sutton
Some Louisiana Observations
Roland C. Clement
Mockingbird at Bonaventure Island, Quebec
Delos E. Culver
New Records for the Puerto Rican Avifauna
Ventura Barn
Swainson's Hawk in Massachusetts
Samuel A. Eliot Jr.
A Baby Florida Sandhill Crane
George Miksch Sutton
Northward Extension of the Summer Range of the Limpkin
Alexander Sprunt Jr.
The Dickcissel in Eastern West Virginia
Alexander Wetmore
A Red Phalarope in Tennessee
W. M. Walker
Trumpeter Swans in Alaska
Ira N. Gabrielson
Brown Pelican Colony on Cape Romain Refuge Increases
William P. Baldwin
White Pelicans in Northeastern Ohio
Robert E. Ball
Great White Heron in Mississippi
Earle R. Greene
Correspondence
Temperature Tolerance of Birds' Feet
A. D. Moore
Covers
Front Matter
The Auk
Back Matter
The Auk